Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Cedar River IA 02-CED-455

from Prairie Cr. (SE 1/4 S34 T83N R7W Linn Co.) to confluence with McCloud Run in SW 1/4 S16 T83N R7W Linn Co.

Assessment Cycle
1992
Result Period
1988 - 1990
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 02-CED-0030_1
Overall Use Support
Not supporting
Aquatic Life Use Support
Threatened
Fish Consumption
Not assessed
Primary Contact Recreation
Not supporting
Drinking Water
Fully
Documentation
Assessment Comments

(All 21 IOWA/DNR): 324035, 324030, 324028, 324015: (stations monitord for UI contract with DAEC.)

Basis for Assessment

112 samples in this reach were analyzed for fecals; 60 were collected at approx average flows; 19 of these samples exceeded the Class A WQC (=32% =NS); 8 of 72 samples exceeded the Class C WQC for nitrate, with mean NO3= 5 mg/l and median NO3= 4.1 mg/l (mean < criterion = FS).